1057505329 has 16 divisors (see below), whose sum is σ = 1108857600. Its totient is φ = 1007246464.

The previous prime is 1057505327. The next prime is 1057505341. The reversal of 1057505329 is 9235057501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1057505329 - 2¹ = 1057505327 is a prime.

It is a super-2 number, since 2×1057505329² = 2236635041726796482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057505327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710424 + ... + 711910.

It is an arithmetic number, because the mean of its divisors is an integer number (69303600).

Almost surely, 2^1057505329 is an apocalyptic number.

It is an amenable number.

1057505329 is a deficient number, since it is larger than the sum of its proper divisors (51352271).

1057505329 is a wasteful number, since it uses less digits than its factorization.

1057505329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 1057505329 is about 32519.3070190618. The cubic root of 1057505329 is about 1018.8123203548.

The spelling of 1057505329 in words is "one billion, fifty-seven million, five hundred five thousand, three hundred twenty-nine".